War Jabi or War Jaabi or War-Dyabe or War-Dyabe ibn Rabis or War-Ndyay, was the first Muslim king of Tekrur in the 1030s. He converted to Islam and forced his subjects into Islam. Tekrur as a result of his reign expanded into the South as his State sanctioned Sharia.
He died in 1040/1, succeeded by his son Labi.
References
War Jabi Wikipedia(Text) CC BY-SA